Worth dumping another $100 into a Sony TC-666D?

Tare-down: Sony TC-666 Tape Recorder (Reel-to-reel)

Sony Vintage Reel-to-Reel Tape Recorders for sale

1996 09 canadian computer wholesaler by The Computer Paper - Issuu

SONY TC-666D - Maison Robert

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Is $450 USD plus shipping a good deal? 1960s Sony TC with sound to sound. First time post, TIA : r/vintageaudio

Reel-to-Reel Tape Recorders, Vintage Audio & Video, Vintage Electronics, Consumer Electronics - PicClick CA

Tare-down: Sony TC-666 Tape Recorder (Reel-to-reel)

Tare-down: Sony TC-666 Tape Recorder (Reel-to-reel)

Tare-down: Sony TC-666 Tape Recorder (Reel-to-reel)

Sony Vintage Reel-to-Reel Tape Recorders for sale